Single fin antenna



FIG. 1 is a perspective view of a single fin antenna;

FIG. 2 is a right side view of a single fin antenna;

FIG. 3 is a left side view of a single fin antenna;

FIG. 4 is a front view of a single fin antenna;

FIG. 5 is a back view of a single fin antenna;

FIG. 6 is a top view of a single fin antenna; and,

FIG. 7 is a bottom view of a single fin antenna.

The broken lines are included for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a single fin antenna, as shown and described. 